Table 4.

Comparison of cognitive function before and after PSM in subjects with first-episode schizophrenia and clinically stable schizophrenia.

	Before PSM		t	P	After PSM		t/z	P
	FES	CSS			FES	CSS
	n = 50	n = 158			n = 40	n = 40
Neurocognition
TMT	44.80 ± 12.85	46.61 ± 11.69	−0.930	0.353	44.03 ± 13.54	48.18 ± 10.70	−1.521	0.132
SC	26.76 ± 12.20	34.34 ± 11.82	−3.920	<0.001	24 (13.50, 35.50)	36 (24.25, 46)	−3.273	0.001
HVLT	29.24 ± 14.01	32.31 ± 14.49	−1.316	0.190	26 (14.75, 36.75)	36.50 (25.50, 44.75)	−2.101	0.036
SS	29.76 ± 13.60	38.39 ± 14.77	−3.667	<0.001	13 (10, 29.50)	42 (30, 51.75)	−3.499	<0.001
DS	33.20 ± 14.49	39.56 ± 13.70	−2.824	0.005	32.50 (20, 43)	41 (28.50, 49.50)	−2.395	0.017
NAB	30.62 ± 17.37	40.42 ± 16.25	−3.654	<0.001	29.50 (10, 43.75)	46 (31.75, 53.75)	−2.899	0.004
BVMT	31.72 ± 13.58	37.77 ± 14.00	−2.683	0.008	31.30 ± 13.92	40.05 ± 12.49	−2.959	0.004
CF	36.55 ± 8.51	38.75 ± 9.06	−1.507	0.133	35.46 ± 9.05	39.20 ± 9.29	−1.811	0.074
CPT	27.61 ± 11.05	37.78 ± 12.04	−5.265	<0.001	26.21 ± 11.46	36.20 ± 10.70	−4.008	<0.001
Social cognition
MSCEIT	42.88 ± 13.75	50.64 ± 14.85	−3.252	<0.001	41.10 ± 12.42	54.20 ± 13.30	−4.522	<0.001
Overall cognition
MCCB	22.14 ± 12.62	31.97 ± 15.04	−4.141	<0.001	15 (10, 30)	36 (21.50, 45.25)	−4.025	<0.001